<!DOCTYPE html>
<html lang="en">

<!--
  Author：蓝田_Loto
  Date：2018-10-19 16:56
  PageName：g_practice7_icon.html
  Function：实战案例 - 设计图标按钮
  URL：http://localhost:8080/f_image/f5_practice/g_practice7_icon.html
-->

<head>
    <meta charset="UTF-8">
    <title>实战案例 - 设计图标按钮</title>

    <style type="text/css">
        body {
            background-color: #282828;
            background-image: -webkit-radial-gradient(black 15%, transparent 16%), -webkit-radial-gradient(black 15%, transparent 16%), -webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%), -webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%);
            background-image: radial-gradient(black 15%, transparent 16%), radial-gradient(black 15%, transparent 16%), radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%), radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%);
            background-position: 0 0px, 8px 8px, 0 1px, 8px 9px;
            background-size: 16px 16px;
        }

        @font-face {
            font-family: 'icomoon';
            src: url('font/icomoon.eot');
            src: url('font/icomoon.eot?#iefix') format('embedded-opentype'), url('font/icomoon.svg#icomoon') format('svg'), url('font/icomoon.woff') format('woff'), url('font/icomoon.ttf') format('truetype');
            font-weight: normal;
            font-style: normal;
        }

        .controls_button {
            width: 500px;
            margin: 40px auto;
        }

        .button {
            width: 70px;
            height: 70px;
            margin-right: 90px;
            font-size: 0;
            border-radius: 50%;
            border: none;
            box-shadow: 0 1px 5px rgba(255, 255, 255, .5) inset, 0 -2px 5px rgba(0, 0, 0, .3) inset, 0 3px 8px rgba(0, 0, 0, .8);
            background: -webkit-radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
            background: radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
        }

        .button:nth-child(3) {
            margin-right: 0;
        }

        .button:after {
            font-family: 'icomoon';
            speak: none;
            font-weight: normal;
            -webkit-font-smoothing: antialiased;
            font-size: 36px;
            content: "\21";
            color: #dd5183;
            text-shadow: 0 3px 10px #f1a2c1, 0 -3px 10px #f1a2c1;
        }

        .button:nth-child(2):after {
            content: "\22";
        }

        .button:nth-child(3):after {
            content: "\23";
        }

        .button:hover:after {
            color: #fff;
            text-shadow: 0 1px 20px #fccdda, 1px 0 14px #fccdda;
        }

        .button:active {
            box-shadow: 0 2px 7px rgba(0, 0, 0, .5) inset, 0 -3px 10px rgba(0, 0, 0, .1) inset, 0 1px 3px rgba(255, 255, 255, .5);
            background: -webkit-radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
            background: radial-gradient(circle at top center, #f28fb8, #e982ad, #ec568c);
        }
    </style>
</head>

<body>
<div class="controls_button">
    <button type="button" class="button">Chrome</button>
    <button type="button" class="button">Firefox</button>
    <button type="button" class="button">IE</button>
</div>
</body>
</html>